BenFox

The maker of equipment for assembling semiconductors and light-emitting diodes said it expected first-quarter revenue to be $100 million to $120 million, below estimates of $159 million from analysts surveyed by Thomson Reuters. The company cited the uncertain economic environment and industry seasonality for the downbeat projection.

Shares slid 11% to $8.15 in premarket trading. As of Wednesday's close, the stock was up 27% year to date.

For the quarter ended Oct. 1, Kulicke & Soffa reported a profit of $1.9 million, or 3 cents a share, down from $56.1 million, or 78 cents a share, a year earlier. The latest quarter included $16 million in higher tax costs, a loss of $2.6 million related to currency changes and $2.5 million in write-downs. Excluding those items, earnings were 31 cents a share, above analysts' estimates of 27 cents.

Revenue fell 30% to $180.4 million, but beat the company's downbeat August forecast of $155 million to $175 million.

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